Excerpt: Released in October of 2011, this second iteration of Sigma’s stabilized 11.1X all-in-one zoom ($499, street) offers two seemingly significant upgrades: a high-tech FLD glass element, plus Sigma’s silent HSM focusing motor.
Sigma 12-24mm F/4.5-5.6 II DG HSM and Sigma 18-200mm F/3.5-6.3 II DC OS HSM
D-Photo and The Photographer's Mail
5 July 2012
Excerpt: Sigma 12-24mm F/4.5-5.6 II DG HSM New glass is always an exciting prospect, so I jumped at the chance to try two of Sigma’s new offerings, the first being the Sigma AF 12–24mm f/4.5–5.6 II DG HSM. The lens is a leap in design from its hugely successful predecessor.
Pros: Strong build, Great design, FLD glass means bright picture clarity, Small and light for its range, Focus rings and switches easily reached, FLD glass, Price
Cons: Fixed lens hood, Price, For non full-frame bodies, Plastic hood
Excerpt: Some years ago megazooms, so lenses with a focal length multiple amounting to more than 10, belonged to this kind of equipment which would be difficult to recommend. Older full frame 28-300 mm devices and the first 18-200 mm instruments for smaller detectors had one main advantage – their...
Cons: weak image quality on the edge of the frame at 100-200 mm focal lengths,, huge vignetting throughout the whole focal range,, weak performance against bright light,, distortion for bigger focal lengths higher than that of the competitors.
Summary: Sigma var lenge vinnerkandidat i kategorien for objektiver med Pentax-fatning. Ganske så visst føles finishen litt plastaktig, og zoomringen glir ikke på langt nær så lekkert som på de beste objektivene, men Sigma 18-200mm er velutstyrt, og så ...
Excerpt: Sigma kandiderede længe til at blive vinder i kategorien af objektiver med Pentax-fatning. Ganske vist føles finishen lidt plastikagtig, og så glider zoomringen ikke nær så lækkert som på de bedste objektiver, men Sigma 18-200mm er ...